General Questions

Question 11 :

Which of the following can implement an interface?

1. Data
2. Class
3. Enum
4. Structure
5. Namespace


A). 1, 3
B). 2, 4
C). 3, 5
D). 4 only
Answer : Option B

Question 12 :

Which of the following statements is correct about the C#.NET code snippet given below?

interface IMyInterface 
{
    void fun1(); 
    void fun2();
}
class MyClass: IMyInterface
{ 
    private int i; 
    void IMyInterface.fun1()
    { 
        // Some code
    } 
}


A). Class MyClass is an abstract class.
B). Class MyClass cannot contain instance data.
C). Class MyClass fully implements the interface IMyInterface.
D). Interface IMyInterface should be inherited from the Object class.
E). The compiler will report an error since the interface IMyInterface is only partially implemented.
Answer : Option D

Question 13 :

Which of the following statements is correct about the C#.NET code snippet given below?

interface IPerson
{ 
    String FirstName
    { 
        get; 
        set;
    }
    String LastName
    {
        get; 
        set;
    }
    void Print(); 
    void Stock(); 
    int Fun(); 
}


A). Properties cannot be declared inside an interface.
B). This is a perfectly workable interface.
C). The properties in the interface must have a body.
D). Subroutine in the interface must have a body.
E). Functions cannot be declared inside an interface.
Answer : Option B